Recovering data from a failed RAID array with ddrescue: a practical walkthrough

📰 Dev.to · ricco020

Learn to recover data from a failed RAID array using ddrescue, a powerful Linux tool, and avoid common mistakes that can worsen the situation

intermediate Published 11 Jun 2026
Action Steps
  1. Stop using the failed RAID array immediately to prevent further data corruption
  2. Download and install ddrescue on your Linux system
  3. Identify the failed RAID array and its device file using tools like lsblk or fdisk
  4. Run ddrescue with the correct parameters to create a disk image of the failed array
  5. Apply ddrescue's mapfile feature to skip bad sectors and speed up the recovery process
Who Needs to Know This

System administrators, DevOps engineers, and data recovery specialists can benefit from this walkthrough to safely recover critical data from failed RAID arrays

Key Insight

💡 Acting quickly and carefully when a RAID array fails is crucial to minimize data loss, and using ddrescue can significantly improve recovery chances

Share This
💡 Recover data from failed RAID arrays with ddrescue! Avoid panic and learn the safe way to rescue your critical files 📁💻

Key Takeaways

Learn to recover data from a failed RAID array using ddrescue, a powerful Linux tool, and avoid common mistakes that can worsen the situation

Full Article

When a RAID array fails, the worst thing you can do is panic and start poking at it immediately. I've...
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